Hydrostatic retort seal

Details Hydrostatic retort seal Hydrostatic retort seal

1980-11-04

1982-10-12

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 72R, 277 74, 277135, F16J 1540

Patent

active

043535585

ABSTRACT:
A hydrostatic retort seal for sealing to a seal disc on the rotating vessel portion of a rotating retort. An annular caliper assembly is mounted concentrically around the seal disc. The annular caliper assembly includes a body portion having two arms. Each arm on its interior surface includes an annular sealing channel which is filled with liquid under pressure to provide a liquid interface seal layer between the caliper assembly arms and the seal disc. The sealing channels are movable laterally relative each other and are biased inward so that the distance between the two channels or seal layers may be adjusted continually to accommodate nutations and other variations of the rotating seal disc. The caliper assembly is mounted to the stationary retort portions by way of gimbals to allow universal movement of the caliper as it responds to sealing disc nutations. To complete the retort seal, a flexible seal boot is provided between the caliper assembly and stationary retort portion. This provides a complete retort seal where the sealing disc is sealed to the annular caliper assembly by an interface sealing layer with the caliper assembly being in turn sealed to the stationary retort portion by the flexible boot.

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